July 1, 1979Obstetrical & Gynecological Survey

The Ovulation Method—Vulvar Observations as an Index of Fertility/Infertility

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Abstract

St. Louis University Natural Family Planning Center. St. Louis. Missouri and Creighton University Natural Family Planning Education and Research Center, Omaha. Nebraska

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Cite This Study

Hilgers et al. (1979) studied this question.

synapsesocial.com/papers/6a8c6932e2daec1d82d3ca18 https://doi.org/10.1097/00006254-197907010-00020

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Abstract

St. Louis University Natural Family Planning Center. St. Louis. Missouri and Creighton University Natural Family Planning Education and Research Center, Omaha. Nebraska